Tag Archives: THEMIS

THEMIS: Indus Vallis winds through layered terrain

THEMIS Image of the Day, July 20, 2018. This VIS image shows a section of Indus Vallis. Indus Vallis is located in Terra Sabaea. More THEMIS Images of the Day by geological topic.

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THEMIS: Doublet crater in Utopia Planitia

THEMIS Image of the Day, July 19, 2018. Today’s VIS image shows a double impact – two meteors hitting simultaneously. The two meteors would have started as a single object, at some point prior to impact the object separated into … Continue reading

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THEMIS: Hephaestus Fossae channel and crater

THEMIS Image of the Day, July 18, 2018. Today’s VIS image shows a crater on Hephaestus Fossae. The crater is fairly young, as there is only minimal modification of the crater floor. While it appears that the crater sits of … Continue reading

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THEMIS: Wind-eroded ridges

THEMIS Image of the Day, July 17, 2018. Winds in this region have modified the surface, carving valleys into a poorly cemented material. The winds in this region blew toward the northeast. (Note: north is to the top of the … Continue reading

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THEMIS: Winding channels of Elysium Fossae

THEMIS Image of the Day, July 16, 2018. Today’s VIS image shows part of one of the Elysium Fossae on the western flank of the Elysium volcanic complex. The fossae have both a tectonic and volcanic origin. The linear fractures, … Continue reading

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THEMIS: Slide debris and layered deposits in Ophir Chasma

THEMIS Image of the Day, July 13, 2018. Today’s VIS image shows part of Ophir Chasma. Ophir Chasma is part of Valles Marineris, the largest canyon system on Mars. At the top of the image is a portion of a … Continue reading

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THEMIS: Where the volcanic mountain meets the volcanic plains

THEMIS Image of the Day, July 12, 2018. Olympus Rupes is the name of the large escarpment surrounding Olympus Mons. The escarpment is a cliff where there is a large elevation change over a short distance. This VIS image is … Continue reading

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THEMIS: Daedalia Planum’s lava flows

THEMIS Image of the Day, July 11, 2018. The lava flows in this VIS image originate at Arsia Mons. Arsia Mons in the southermost of the three large Tharsis volcanoes. More THEMIS Images of the Day by geological topic.

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THEMIS: Giant pit crater collapse on Alba Mons

THEMIS Image of the Day, July 10, 2018. This VIS image is located on the eastern flank of Alba Mons. Linear faults and graben surround the volcano aligned north/south, intersecting and deflected around the summit. The large graben is called … Continue reading

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THEMIS: Flood-scoured island-mesa in Kasei Valles

THEMIS Image of the Day, July 9, 2018. Today’s VIS image is located near the beginning of Kasei Valles. At the top of the image is the relative high land of Lunae Planum. The Kasei Valles channel is just below. … Continue reading

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